CN210531382U

CN210531382U - Anti-loosening nut

Info

Publication number: CN210531382U
Application number: CN201921538063.7U
Authority: CN
Inventors: 陈诚友
Original assignee: Kunshan Xinkaiming Precision Hardware Technology Co Ltd
Current assignee: Kunshan Xinkaiming Precision Hardware Technology Co Ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-05-15
Anticipated expiration: 2029-09-17

Abstract

The utility model discloses an anti-loose nut, which comprises an outer ring nut, the fixed establishment of positioning nut bottom installing at the outer lane nut and installing at the inboard change mechanism of outer lane nut, fixed establishment includes splint and clamping bar, splint install in the outer lane nut bottom, the backup pad is installed to the front end of splint, the top of backup pad is equipped with the through-hole, install the slide bar in the through-hole, the stopper is installed to the other end of slide bar, the surface mounting of slide bar has the spring, the front end at the ejector pin is installed to the other end of slide bar, the bracing piece is installed to the rear side on the top of ejector pin, the clamping bar is installed to the other end of bracing piece, it includes boss and inner circle nut to change the mechanism, the internal surface at the outer lane nut is installed to the boss, the surface in boss is connected with the bottom in: the functions of placing the nut to be loosened, ensuring fastening, replacing the inner ring nut and enabling the device to be suitable for bolts of different sizes are achieved.

Description

Anti-loosening nut

Technical Field

The utility model belongs to the technical field of the nut processing, concretely relates to locking nut that takes off.

Background

The nut is a nut and is screwed together with a bolt or a screw rod to play a role in fastening, an element which is necessary for all production and manufacturing machines is divided into carbon steel, stainless steel, non-ferrous metal (such as copper) and other types according to different materials, the nut is a part for tightly connecting mechanical equipment, the nut and the bolt can be connected together only through threads on the inner side, and the traditional nut still has various problems and is difficult to meet the actual production requirement.

The utility model discloses an anti-loosening nut as utility model discloses of grant bulletin number CN208348266U, its smooth transition's helicoid can be when fitting with the gasket or with the helicoid on the bolt, can prevent effectively that the nut from producing the pine phenomenon of taking off, but it does not solve can not the effectual pine of preventing the nut take off, be difficult for the installation and dismantle and the nut size is single, can only be applicable to the problem of the same kind of bolt, for this reason we provide an anti-loosening nut.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a locking nut that takes off to the pine that provides in solving above-mentioned background art can not effectually prevent the nut takes off, is difficult for the installation and dismantles and the problem that the nut size is single, can only be applicable to the same kind of bolt.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti-loosening nut, includes that outer lane nut, set nut install the fixed establishment in outer lane nut bottom and install the inboard change mechanism in outer lane nut, fixed establishment includes splint and clamping bar, splint are installed in outer lane nut bottom, the backup pad is installed to the front end of splint, the top of backup pad is equipped with the through-hole, install the slide bar in the through-hole, the stopper is installed to the other end of slide bar, the surface mounting of slide bar has the spring, the front end at the ejector pin is installed to the other end of slide bar, the bracing piece is installed to the rear side on the top of ejector pin, the clamping bar is installed to the other end of bracing piece.

Preferably, the replacing mechanism comprises a boss and an inner ring nut, the boss is installed on the inner surface of the outer ring nut, the outer surface of the boss is connected with the bottom end of the L-shaped groove, the L-shaped groove is formed in the outer surface of the inner ring nut, a first groove is formed in the top end of the inner ring nut, a second groove is formed in the top end of the outer ring nut, and a key is installed in the first groove.

Preferably, the outer surface of the outer ring nut is provided with a convex plate, and the rear surface of the convex plate is connected with the ejector rod in a sliding manner.

Preferably, a bolt is installed on the inner surface of the positioning nut, a part is installed between the bolt and the clamping plate, and the size of the inner surface of the clamping rod is the same as that of the outer surface of the positioning nut.

Preferably, the thickness of the outer ring nut is the same as that of the positioning nut, and chamfers are arranged at the top end and the bottom end of the positioning nut.

Preferably, the bolt extends through the bottom end of the part, and the size of the bolt is the same as the size of the inner surface of the positioning nut.

Preferably, the spring is installed between the ejector rod and the support plate, and the spring is connected with the sliding rod in a sliding mode.

Preferably, the boss is provided with three altogether, three the boss equidistance is arranged the internal surface at outer lane nut, the boss is the same with the height in L shape groove with the distance on outer lane nut top.

Preferably, the L-shaped groove is divided into a vertical groove and a horizontal groove, the width of the vertical groove is the same as the width of the boss, the width of the horizontal groove is the same as the width of the boss, and the height of the horizontal groove is the same as the height of the boss.

Preferably, the height of the first groove is the same as that of the second groove, the width of the first groove is the same as that of the second groove, and the key is connected with the first groove and the second groove in a sliding mode.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) through placing splint between outer lane and part, make the rigidity of splint, make the rear surface and the ejector pin of flange contact, screw up set nut at the surface of bolt, reuse clamping bar card in set nut's the outside to make set nut's rigidity, thereby realized making the nut have the function of locking taking off.

(2) When the anti-loosening nut is used for other bolts, the boss penetrates through the vertical groove of the L-shaped groove to reach the bottom end of the L-shaped groove, the outer ring nut is rotated, the outer ring nut rotates to drive the boss to rotate, the boss reaches the transverse groove of the L-shaped groove, and the keys are placed in the first groove and the second groove, so that the outer ring nut and the inner ring nut are fixed in position, and the functions of replacing the inner ring nut and enabling the device to be suitable for bolts of different sizes are achieved.

Drawings

Fig. 1 is a schematic view of a nut mounting three-dimensional structure of the present invention;

fig. 2 is a schematic view of the nut installation structure of the present invention;

fig. 3 is a schematic view of the structure of the nut in the top view;

FIG. 4 is a schematic perspective view of the replacing mechanism of the present invention;

FIG. 5 is a schematic view of the cross-sectional structure of the replacing mechanism of the present invention;

in the figure: 1. a bolt; 2. a part; 3. a splint; 4. an outer ring nut; 5. positioning a nut; 6. a convex plate; 7. a support plate; 8. a clamping bar; 9. a support bar; 10. a top rod; 11. a spring; 12. a slide bar; 13. a limiting block; 14. an inner ring nut; 15. a key; 16. an L-shaped slot; 17. a first groove; 18. a second groove; 19. and (4) a boss.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an anti-loosening nut, including outer lane nut 4, set nut 5 is installed at the fixed establishment of 4 bottoms of outer lane nut and is installed at the inboard change mechanism of outer lane nut 4, fixed establishment includes splint 3 and clamping bar 8, splint 3 is installed in 4 bottoms of outer lane nut, backup pad 7 is installed to the front end of splint 3, the top of backup pad 7 is equipped with the through-hole, install slide bar 12 in the through-hole, stopper 13 is installed to slide bar 12's the other end, slide bar 12's surface mounting has spring 11, the front end at ejector pin 10 is installed to slide bar 12's the other end, bracing piece 9 is installed to the rear side on ejector pin 10's top, clamping bar 8 is.

In order to facilitate the nut to use the bolt 1 with different sizes, in this embodiment, preferably, the replacing mechanism includes a boss 19 and an inner ring nut 14, the boss 19 is installed on the inner surface of the outer ring nut 4, the outer surface of the boss 19 is connected with the bottom end of an L-shaped groove 16, the L-shaped groove 16 is formed on the outer surface of the inner ring nut 14, a first groove 17 is formed at the top end of the inner ring nut 14, a second groove 18 is formed at the top end of the outer ring nut 4, and a key 15 is installed in the first groove 17.

In order to achieve the effect that the rotation of the convex plate 6 drives the ejector rod 10 to move, in this embodiment, preferably, the convex plate 6 is installed on the outer surface of the outer ring nut 4, and the rear surface of the convex plate 6 is slidably connected with the ejector rod 10.

In order to fix the component 2, in the present embodiment, it is preferable that the bolt 1 is installed on the inner surface of the positioning nut 5, the component 2 is installed between the bolt 1 and the clamping plate 3, and the size of the inner surface of the clamping rod 8 is the same as the size of the outer surface of the positioning nut 5.

In order to facilitate installation and use, in the embodiment, preferably, the thickness of the outer ring nut 4 is the same as that of the positioning nut 5, and the top end and the bottom end of the positioning nut 5 are both provided with chamfers.

In order to facilitate the fixing of the component 2, in the present embodiment, it is preferable that the bolt 1 penetrates through the bottom end of the component 2, and the size of the bolt 1 is the same as the size of the inner surface of the positioning nut 5.

In order to ensure that the spring 11 has a pushing force, in the present embodiment, it is preferable that the spring 11 is installed between the top rod 10 and the support plate 7, and the spring 11 is slidably connected with the sliding rod 12.

In order to ensure the fixation of the inner ring nut 14 and the outer ring nut 4, in the present embodiment, preferably, three bosses 19 are provided, the three bosses 19 are equidistantly arranged on the inner surface of the outer ring nut 4, and the distance between the boss 19 and the top end of the outer ring nut 4 is the same as the height of the L-shaped groove 16.

In order to ensure that the boss 19 can move in the L-shaped slot 16, in the present embodiment, it is preferable that the L-shaped slot 16 is divided into a vertical slot and a horizontal slot, the width of the vertical slot is the same as the width of the boss 19, the width of the horizontal slot is the same as the width of the boss 19, and the height of the horizontal slot is the same as the height of the boss 19.

In order to fix the positions of the inner ring nut 14 and the outer ring nut 4, in this embodiment, preferably, the height of the first groove 17 is the same as the height of the second groove 18, the width of the first groove 17 is the same as the width of the second groove 18, and the key 15 is slidably connected with the first groove 17 and the second groove 18.

The utility model discloses a theory of operation and use flow: when the device is used, the outer ring nut 4 penetrates through the inner ring nut 14, the boss 19 is located right above the L-shaped groove 16, the outer ring nut 4 is continuously moved to enable the boss 19 to reach the bottom end of the L-shaped groove 16, the outer ring nut 4 is rotated to enable the outer ring nut 4 to drive the boss 19 to rotate, the boss 19 is rotated to the position of a transverse groove in the L-shaped groove 16, meanwhile, the positions of the first groove 17 and the second groove 18 are overlapped, the key 15 is placed in the first groove 17 and the second groove 18, the positions of the outer ring nut 4 and the inner ring nut 14 are fixed, and different inner ring nuts 14 are used to be combined with corresponding bolts 1, so that the functions of replacing the inner ring nut 14 and enabling the device to be suitable for bolts 1; the clamping plate 3 is placed at the top end of the part 2, the top end of the bolt 1 is turned into the outer ring nut 4, the position of the clamping plate 3 is adjusted to enable the ejector rod 10 to be positioned at one turning side of the convex plate 6, the outer ring nut 4 is enabled to clamp the clamping plate 3, then the limiting block 13 is pulled to enable the position of the clamping rod 8 to be changed, the outer ring nut 5 is turned into the positioning nut 5, the limiting block 13 is loosened to enable the clamping rod 8 to clamp the positioning nut 5, when the outer ring nut 4 is loosened, the outer ring nut 4 rotates to drive the convex plate 6 to rotate, because the ejector rod 10 is connected with the convex plate 6 in a sliding mode, the spring 11 is installed between the ejector rod 10 and the supporting plate 7, the spring 11 is in a compressed state, the convex plate 6 rotates to drive the ejector rod 10 to move forwards, the ejector rod 10 moves forwards to enable the supporting rod 9 to move forwards to enable the clamping rod 8 to move, thereby the function of preventing the nut from loosening and ensuring the fastening is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an anti-loosening nut, includes that outer lane nut (4), set nut (5) are installed at the fixed establishment of outer lane nut (4) bottom and are installed at the inboard change mechanism of outer lane nut (4), its characterized in that: fixed establishment includes splint (3) and clamping bar (8), install in outer lane nut (4) bottom splint (3), backup pad (7) are installed to the front end of splint (3), the top of backup pad (7) is equipped with the through-hole, install slide bar (12) in the through-hole, stopper (13) are installed to the other end of slide bar (12), the surface mounting of slide bar (12) has spring (11), the front end at ejector pin (10) is installed to the other end of slide bar (12), bracing piece (9) are installed to the rear side on the top of ejector pin (10), clamping bar (8) are installed to the other end of bracing piece (9).

2. The anti-loosening nut as claimed in claim 1, wherein: the replacement mechanism comprises a boss (19) and an inner ring nut (14), the boss (19) is installed on the inner surface of the outer ring nut (4), the outer surface of the boss (19) is connected with the bottom end of an L-shaped groove (16), the outer surface of the inner ring nut (14) is arranged in the L-shaped groove (16), a groove I (17) is formed in the top end of the inner ring nut (14), a groove II (18) is formed in the top end of the outer ring nut (4), and a key (15) is installed in the groove I (17).

3. The anti-loosening nut as claimed in claim 1, wherein: the outer surface of the outer ring nut (4) is provided with a convex plate (6), and the rear surface of the convex plate (6) is connected with the ejector rod (10) in a sliding manner.

4. The anti-loosening nut as claimed in claim 1, wherein: the internal surface mounting of set nut (5) has bolt (1), install part (2) between bolt (1) and splint (3), the size of the internal surface of clamping bar (8) is the same with the surface size of set nut (5).

5. The anti-loosening nut as claimed in claim 1, wherein: the thickness of outer lane nut (4) is the same with set nut (5) thickness, the top and the bottom of set nut (5) all are equipped with the chamfer.

6. The anti-loosening nut as claimed in claim 4, wherein: the bolt (1) penetrates through the bottom end of the part (2), and the size of the bolt (1) is the same as the size of the inner surface of the positioning nut (5).

7. The anti-loosening nut as claimed in claim 1, wherein: the spring (11) is installed between the ejector rod (10) and the support plate (7), and the spring (11) is connected with the sliding rod (12) in a sliding mode.

8. The anti-loosening nut as claimed in claim 2, wherein: boss (19) are equipped with threely altogether boss (19) equidistance is arranged at the internal surface of outer lane nut (4), the distance on boss (19) and outer lane nut (4) top is the same with the height in L shape groove (16).

9. The anti-loosening nut as claimed in claim 2, wherein: the L-shaped groove (16) is divided into a vertical groove and a transverse groove, the width of the vertical groove is the same as that of the boss (19), the width of the transverse groove is the same as that of the boss (19), and the height of the transverse groove is the same as that of the boss (19).

10. The anti-loosening nut as claimed in claim 2, wherein: the height of the first groove (17) is the same as that of the second groove (18), the width of the first groove (17) is the same as that of the second groove (18), and the key (15) is connected with the first groove (17) and the second groove (18) in a sliding mode.